Touch screen keyboard



FIG. 1 is a front view of the touch screen keyboard.

FIG. 2 is a rear view of the claimed design.

FIG. 3 is a left side view of the claimed design.

FIG. 4 is a right side view of the claimed design.

FIG. 5 is a top view of the claimed design; and,

FIG. 6 is a bottom view of the claimed design. 

The ornamental design for the touch screen keyboard, as shown and described. 